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- /*
- * Copyright (C) 2016-2017 Andes Technology, Inc.
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- /* Disable floating-point exceptions.
- Copyright (C) 2001-2013 Free Software Foundation, Inc.
- Contributed by Philip Blundell <philb@gnu.org>, 2001.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
- #include <fenv.h>
- #include "fenv_libc.h"
- #include <fpu_control.h>
- int
- fedisableexcept (int excepts)
- {
- #ifdef __NDS32_ABI_2FP_PLUS__
- unsigned long int new_exc, old_exc;
- _FPU_GETCW(new_exc);
- old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
- excepts &= FE_ALL_EXCEPT;
- new_exc &= ~(excepts << ENABLE_SHIFT);
- new_exc &= ~_FPU_RESERVED;
- _FPU_SETCW (new_exc);
- return old_exc;
- #else
- /* Unsupported, so return -1 for failure. */
- return -1;
- #endif
- }
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